Method for monitoring metal forming forces using microstrain gauge system
A novel method to monitor metal forming forces in production environments using microstrain gauges installed inside forming tools. This system provides accurate force measurement without exposing gauges to metal contact, enhancing production efficiency.
Overview
This innovative solution involves a method for monitoring metal forming forces in production environments using microstrain gauge systems. By installing strain gauges inside forming tools, this method avoids exposing them to the formed metal and contact surfaces, ensuring accurate force measurements. This approach is based on initial lab measurements and numerical simulations, offering potential expansion to various production applications.
Technical specifications
- Microstrain gauges: Capable of capturing elastic strains from under one microstrain to hundreds, with frequencies from 1 to 20,000 Hz, expandable to 200,000 Hz.
- Installation method: Gauges are mounted in dedicated pockets within the forming tools to prevent contact with metal surfaces.
- Validation process: Includes lab demonstrations, numerical modeling, and real-world application using U-bend stamping dies for aluminum to ensure the system's accuracy and reliability.
Technology readiness level
This technology is at TRL 4, indicating that it has been validated in a lab environment with ongoing efforts to demonstrate its capabilities in production settings.
About Oakland University
Oakland University is a public doctoral research university serving nearly 16,000 students on a 1,443‑acre campus spanning Rochester Hills and Auburn Hills in southeast Michigan. Industry engagement is organized around an on‑campus SmartZone business incubator and the Oakland Business Engagement Center, a single entry point to faculty, facilities, and partnerships. A medical school aligned with the Corewell Health system enables clinical collaboration, while robust internship and co‑op pathways connect companies to talent across the Detroit region. Research is supported by competitive federal funding and by state and industry partners. A dedicated technology transfer function within the Research Office assists with IP evaluation, patenting, licensing, and startup formation.
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